Pipe connection.



PATENTED OCT. 30', 1906,

'CRAM. PIPE CONNECTION. APPLICATION FILED FEB. 4. 1905.

nuucllzl nrnu cm, wnmharun, m c,

I UNITED STATES? PATENT OFFICE.

PIPE CONNECTION.

Specification of Letters Patent.

Patented Oct. 30, 1906.

Application filed February 4, 1905. Serial No. 244,129.

To all whom it may concern:

. Be it known that I, ALoNzo W. CRAM, a

citizen of the United States, residing at Haverhill,in the county ofEssexand' State of Massachusetts, have invented new and usefulImprovements in Pipe Connections, of

which the following is a specification.

My invention relates to improvements in pipe connections, and pertainsto a connection so constructed that'the adjacent ends of the pipestelescope and one pipe adapted to be arranged at an angle to the otherpipe through the medium of diagonally-arranged seats. I The object'of myinvention is to provide the adjacent ends of pipes withdiagonallyarranged seats, whereby the pipes may be relatively arrangedin direct lines or at various anglesto each other simply by turning onepipe in relation to the other and at the same time preserve anabsolutely smooth continuous inner surface which will not collect anysediment or other refuse matter.

Another object of my invention is to pro- 2 5 videthe ends of the pipeswith globular or conical-shaped sockets provided with. teeth and havingtheir upper ends drawn inwardly forincreasing the tensile strength ofthe pipe and for retaining the packing therein; I In theaccompanyingdrawings, Figure 1 is a central longitudinal sectional viewof a pipe connection embodying one form of my invention. Fig.2 is adetached perspective view of the end of the pipe containing the 3 5receiving-socket; Fig. 3 is a perspective view of the opposite end ofthe pipe. Fig. 4 is a view showing a modification in respect to theconstruction of the receivingsocket formed at one end of the pipe. oReferring now to the drawings, 1 indicates a pipe which is provided atone end with an expanded or enlarged receivingesocket 2 and which isadapted to receive a relatively smaller end 3 of an adjacent pipe 4. 1 5As shown in Figs. 1, 2, and 3, the receivingsocket I prefer to form of aglobular shape in which the outer edge is drawn inward, which greatlyincreases the tensile strength of the pipe and also assists materiallyin perma- 5o nently and firmly holding the ends of the pipes together bymeans of packing to be inserted around the ends of-the pipes and withinthe receiving-socket. The pipe 1 at the inner end of the socket 2 isprovided with a diagonally-arranged seat a, and the pipe 4 has its end 3provided with a correspondingly diagonally-arranged seat I).

in Fig. 4 instead of making the socket globular in formImakeitofaconicalshape 7 that is, with the straight outwardly-flared walls 8,which have their upper ends drawn inwardly at 9.and the inner faces ofsaid socket are provided with teeth 5, correspond-v ing with the teeth 5in the other figures of the drawings and is for the purpose of holdingthe packing therein. 1 From the foregoing description and on account ofthe diagonally-arranged engaging seats aand b it will he understood thatwhen the pipes 1 and 4 are in the position shownin Fig. 1 the pipes willbe in a direct straight line i one with the other. If, however, the pipe4 is turned slightly, it will extend atan angle to the pipe 1corresponding to the distance it has been turned and depending" upon the7.5

pitch of the diagonal seats a and The socket 2 is sufficiently largerthan the end 3 of the pipe 4 to permit the pipe 4 to extend at anangle'to the pipe 1, and this angle will vary according to the distancethe pipe4 is rotated in respect to the pipe 1 and upon the pitch of thediagonally-arranged engaging seats a and b. As here shown, the saidengaging seats of the pipes 1 and 4 are preferably conical, whereby atighter fit and a more perfect fit is provided, and whereby the pipe 4is caused to absolutely center itselfin respect to the pipe 1 whenitsend is placed therein and .the seats a and I) brought in con.- tact.This arrangement of the pipes will provide an absolutely smooth unbrokenin.- ner continuous surface when the two pipes are placed together, thuspreventing the accumulation of any sediment or refuse, and thus servingto materially prevent the clog- 9 5 ging or stopping up of a line ofpipes. This continuous unbroken surface in the construc tion here shownis provided whether the pipes extend in a direct line or whether theyextend at an angle to each other. For the purpose of enabling the twopipes to be placed directly in a line with each other or at anypredetermined angle and enable the workman to determine the angleaccurately I provide the socket end of the pipe [0 5 1 at its outer endwith designating charactors-such, forinstance, as 1, 2, 3, 4, &c.,dividing the circumference of the socket into as many sections or partsas may be desirable; and I provide the outer surface of the end 3 no alsabout opposite the numerals on the havin socket for the same purpose. Asthe pipes are placed together with the numerals adj acent each otherthey will then be in a direct straight line. When the designatingcharacters are turned out of line with each other in either direction,then the pipe 4 will extend at an angle to the pipe 1, corresponding tothe distance the pipes are turned, and this distance can be determinedby the indicating characters, as will be readily understood.

Preferablythe inner face of the socket 2 is provided with the teeth 5for the purpose of olding any desired calking material between the saidseat, and the outer surface of the pipe 4 and the end 3 of the pipe 4may be provided with one or more circumferentially-arranged rings orbeads 6 for the purpose of strengthening the pipe and also for the purpose'of assisting in holding the two ends of the pipes together throughthe medium of the calking. Also at the extreme end of the pipe 4 isprovided a circumferential shoulder 7 for the purpose of widening outthe conical engaging seats and'also serving as a shoulder against whichthe calking' material will abut and directly serve to hold the two seatsof the pipe in engagement.

It will of course be understood that the pipe 4 and the pipe 1 areconstructed exactly alike-that is to say, the opposite end of the pipe 1from the socket 2 will be constructed like the end 3 of the pipe 4, andthe opposite end of the pipe 4 will be provided with a socket 2, wherebythe pipes are adapted to receive adjacent ends and to construct acontinuous line of pipes when so desired.

It will be understood that my invention includes the use of sheet metal,wroughtiron, or cast-iron pipes, the material of which the pipes areconstructed being wholly immaterial so far as the invention heredescribed is concerned and may be varied without departing from oraffecting in any manner my invention.

Having thus described my invention, what I claim, and desire to secureby Letters Pat- 611i lS.

1. A pipe-coupling, comprising two pipes adjacent telescoping endsprovided with iagonally-arran ed engaging seats,the outer telescopingend being sufficiently large to permitarelative turning and lateralmovement.

2. Aspipe-coupling, comprising two pipes, the adjacent ends of one pipehaving a socket receiving the adjacent end of the other pipe, the socketand the adjacent end of the pipe received thereby having correspondingdiagonally-arranged seats, said socket being suflicientl y large topermit a relative turning and lateral movement therein of the end of thepipe received thereby.

3. A pipe-coupling, comprising two pipes, the adjacent end of one pipehaving a socket receiving the adjacent end of theother pipe, the innerend of the socket and the adjacent end of the pipe received thereby,having cor responding diagonally-arranged seats, said socket beingsuflicientl y large to permit a relative turning and lateral movementtherein of the end of the pipe received thereby, the socket and pipereceived thereby adapted to be held together by suitable calking.

4. A pipe-coupling comprising two pipes, the adjacent end of onepipehaving a socket receiving the adjacent end of the other pipe, the socketand adjacent end of the pipe having corresponding diagonally-arrangedseats, said socket being sufliciently large to permit a relative turningand lateral movement therein of the end of the pipe received thereby,and the outside of the pipe and socket being provided with correspondingnumerals to determine their relative positions.

5. A pipe-coupling, comprising two pipes, the adjacent end of one pipehaving an outwardly-flared conical socket having the outer end drawninward and adapted to receive the adjacent end of the other pipe, thesocket and adjacent end of the pipe having correspondingdiagonally-arranged seats, said socket being sufliciently large topermit a relative turning and lateral movement therein of the pipereceived thereby, and the outside of the pipe and socket being providedwith corresponding numerals to determine their relative positions.

6. A pipe-coupling, comprising two pipes, the adjacent end of one pipehaving a socket receiving the adjacent end of the other pipe, the socketand the adjacent end of the ipe received thereby having correspondingiagonally-arranged seats, said socket being sul'liciently large topermit a relative turning and lateral movement therein of the end of thepipe received thereby, the end of the socket avin numerals correspondingto numerals carrie by the side of the pipe.

In testimony whereof I have hereunto set my hand in the presence of twosubscribing witnesses.

ALONZO W. CRAM.

